This hour, a look at how origami — the art of paper folding — went from a quaint, simple hobby to an extensive form of art that can sometimes involve hundreds of intricate folds per object.

Virtually everyone has had headaches, yet their underlying neurological cause is still unknown. This hour, a look at the long history of and current science around headaches.

Two Connecticut biologists tell us about the changing environment, what inspired them to study science and the impact of funding cuts on research.

This hour, with the latest ‘Jurassic World’ at No. 1 at the box office, a look at dinosaurs in our popular culture.

This hour, an appreciation of fluffy-tailed, seed- and nut-hoarding, sometimes nuisancey, sometimes shockingly industrious … squirrels.

Researchers trap and track mosquitoes annually from June to October to look for the presence of mosquito-borne viruses including West Nile and Eastern Equine Encephalitis, or “Triple E” virus.

This hour, a look at the hidden language of finger gestures, the future of Braille, and the joys and challenges of animating fingers for the movies.

This hour, a look at what robots are and how humans have thought about robots throughout history.

This hour, a look at the age-old philosophical concept of continuity of self.

To celebrate the show’s 15th anniversary, an episode we did for its 10th anniversary. After thousands of shows, each about some something, a show NOT about a specific something: tapirs.